cold vs chilly

cold and chilly both are nouns.

Word	Noun	Adjective	Verb	Adverb
cold	Yes	Yes	No	No
chilly	Yes	Yes	No	No

cold (noun)	chilly (noun)
the absence of heat	very hot and finely tapering pepper of special pungency
the sensation produced by low temperatures
a mild viral infection involving the nose and respiratory passages (but not the lungs)

cold (adjective)	chilly (adjective)
having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration	appreciably or disagreeably cold
extended meanings; especially of psychological coldness; without human warmth or emotion	not characterized by emotion
(color) giving no sensation of warmth	lacking warmth of feeling
lacking the warmth of life
of a seeker; far from the object sought
without compunction or human feeling
so intense as to be almost uncontrollable
marked by errorless familiarity
having lost freshness through passage of time
unconscious from a blow or shock or intoxication
feeling or showing no enthusiasm
sexually unresponsive
lacking originality or spontaneity; no longer new